Adapter



FIG. 1 is a top front perspective view of an adapter showing the claimed design;

FIG. 2 is a bottom rear perspective view thereof;

FIG. 3 is a front view thereof, the rear view being a mirror image thereof;

FIG. 4 is a side view thereof, the other side view being a mirror image thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof.

The dashed broken lines in the figures show portions of the adapter that form no part of the claimed design.

The dot-dash broken lines in the figures show boundaries that form no part of the claimed design. 

CLAIM The ornamental design for an adapter, as shown and described. 